CN106884746A - A kind of gas mixer for the engine exhaust circulatory system - Google Patents
A kind of gas mixer for the engine exhaust circulatory system Download PDFInfo
- Publication number
- CN106884746A CN106884746A CN201710099890.XA CN201710099890A CN106884746A CN 106884746 A CN106884746 A CN 106884746A CN 201710099890 A CN201710099890 A CN 201710099890A CN 106884746 A CN106884746 A CN 106884746A
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- Prior art keywords
- air
- gas
- flow conduit
- air flow
- waste gas
- Prior art date
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- 239000007789 gas Substances 0.000 claims abstract description 101
- 239000002912 waste gas Substances 0.000 claims abstract description 61
- 238000002156 mixing Methods 0.000 claims abstract description 60
- 239000008246 gaseous mixture Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 10
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/06—Low pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust downstream of the turbocharger turbine and reintroduced into the intake system upstream of the compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
- F02M26/19—Means for improving the mixing of air and recirculated exhaust gases, e.g. venturis or multiple openings to the intake system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The invention provides a kind of gas mixer for the engine exhaust circulatory system, it is related to a kind of gas mixer, gas mixer to include：Air flow conduit, its one end is connected with air intake conduit, and the other end is connected with the compressor of booster, for receiving from air intake conduit leaked-in air；The gas mixing pipeline being connected with EGR valve, its outside for being set in air flow conduit, to receive the waste gas that engine is discharged and flows through EGR valve；Wherein, air flow conduit has multiple air admission holes and multiple steam vents, so that air is from air admission hole inflow gas mixing duct so that air is mixed with the waste gas to form gaseous mixture, and makes to be expelled to compressor；Gas mixing tube road has the inlet end being connected with EGR valve, has an angle with gas mixing tube road, gaseous mixture is spinned along the axis direction of air flow conduit and moves.The present invention solves the problems, such as waste gas and fresh air undercompounding.
Description
Technical field
The present invention relates to a kind of gas mixer, more particularly to a kind of gas for the engine exhaust circulatory system
Mixing arrangement.
Background technology
EGR technology is EGR Technology, is directed to the emission-control equipment of pernicious gas setting.It arranges a part
The waste gas for going out enters combusted cylinder after mixing with fresh air, to increase the thermal capacity of gaseous mixture, reduces highest temperature during burning
Degree, suppresses the generation of pernicious gas.EGR technology play the role of at aspects such as engines fuel-economizing, emission reductions it is important, with oil consumption with
And Abgasgesetz is increasingly harsh, application of the EGR technology on gasoline supercharging engine is increasingly becoming a kind of trend, and gasoline engine increases
Plus EGR technology necessarily turns into a main flow of major main engine plants' engine technologies upgrading.
In the prior art with it is most be low pressure egr system, the main element of its system is digital control type EGR
Valve.But current low pressure exhaust gas recirculating technique is that low pressure EGR technology has three big technologies in the application of gasoline supercharging engine
Problem：First, after the waste gas of egr system discharge enters engine aspirating system, because waste gas is mixing with low temperature fresh air
During easily produce condensed water, the compressor blade of the condensed water impulse turbine booster, therefore, cause the pressure of booster
Mechanism of qi fails；Second, due to waste gas and the undercompounding of fresh air of engine discharge, cause waste gas regional area overrich
Or it is excessively dilute, thus cause waste gas skewness in each cylinder, directly affect the stability of engine work, and mixed gas
There is temperature difference before compressor is entered, the temperature difference can influence the stability of compressor；3rd, gasoline supercharging engine low pressure
Under Part load, the exhaust gas flow for causing egr system to be discharged due to the deficiency of pressure difference can not meet engine to egr system
Demand.
The content of the invention
It is an object of the present invention to provide a kind of gas mixer for the engine exhaust circulatory system, to solve
The certainly waste gas of EGR and air undercompounding, so as to influence the problem of Compressor Stability.
The present invention one is further objective is that the condensation water slug for wanting waste gas and air to be produced in mixed process is pressurized
The compressor blade of device, the problem for causing compressor to fail.
The present invention another further objective is that to solve due to pressure difference deficiency and cause egr system discharge waste gas
Flow can not meet the problem of engine demand.
Especially, the invention provides the gas mixer for the engine exhaust circulatory system, the waste gas circulation
System includes EGR valve, air intake conduit and booster, and the gas mixer includes：
Air flow conduit, its one end is connected with the air intake conduit, and the other end is calmed the anger with the booster
Machine is connected, for receiving from the air intake conduit leaked-in air；
The gas mixing pipeline being connected with the EGR valve, its outside for being set in the air flow conduit, for connecing
Receive the waste gas for being discharged by engine and being flowed through the EGR valve；
Wherein, the air flow conduit has multiple air admission holes and multiple steam vents, with enable the air from
The air admission hole flows into the gas mixing pipeline so that the air is mixed with the waste gas to form gaseous mixture, and
So that the gaseous mixture is expelled to the compressor from the steam vent；
Wherein, the gas mixing tube road has the inlet end being connected with the EGR valve, the inlet end and the gas
There is an angle, to cause between the flow direction of the waste gas and the axis direction of the air flow conduit between body mixing duct
In predetermined angle so that the gaseous mixture is spinned along the axis direction of the air flow conduit and moved.
Further, the predetermined angle is acute angle.
Further, the multiple air admission hole around the air flow conduit axis distribution in the arc-shaped, with cause
The air is uniformly dispersed in the gas mixing pipeline.
Further, the air admission hole near the gas mixing pipeline the inlet end, with cause the air from
The air admission hole flows into the gas mixing pipeline；
Wherein, the opening direction of the air admission hole is arranged essentially parallel to the axis of the air flow conduit.
Further, the air flow conduit is located at and is set at substantially perpendicular to each other position with flowing to for the waste gas
There is air admission hole, to avoid the air from directly mixing with the waste gas for not carrying out screw.
Further, the multiple steam vent around the air flow conduit axis camber or circular distribution, and
The opening direction of the multiple steam vent is substantially perpendicular to the axis of the air flow conduit.
Further, the circulation area of the air flow conduit is sequentially reduced from the air admission hole to the steam vent,
To cause that flow velocity of the gaseous mixture at the steam vent is maximum.
Further, the gas mixing tube road has a discharge ends, its minimum point from the gas mixing pipeline
Put and extend to the direction away from the inlet end along the axis direction perpendicular to the air flow conduit, it is described for discharging
The condensed water that gaseous mixture is separated out when spinning and move along the axis direction of the air flow conduit.
Further, the air flow conduit has air inlet port and the exhaust port opposite with the air inlet port；
Wherein, the air inlet port and the exhaust port are extended by the two ends of the gas mixing pipeline respectively.
Further, the air flow conduit is fixedly connected with the gas mixing pipeline by way of welding.
Beneficial effects of the present invention are：
Firstly, since the inlet end of the gas mixing pipeline with the gas mixing pipeline according to described in one
Angle is configured, so that there is a default angle between the flow direction of waste gas and the axis direction of air flow conduit,
Therefore, waste gas is spinned formula from the inlet end into the enough axis directions along air flow conduit of gas mixing pipeline interior energy
Flowing, and flow into air flow conduit and by multiple air admission holes into the sky in gas mixing pipeline with from the air inlet port
Gas phase mixes.In this way, because waste gas is moved along the axis direction formula of spinning of air flow conduit, therefore, the waste gas with
The air can be sufficiently mixed, on the one hand, can be sufficiently mixed waste gas and the air from air inlet port；On the other hand, by
In waste gas along the axis direction of air flow conduit spin formula flowing and produce centrifugal action, condensed water can be accelerated
Precipitation, the condensed water of precipitation is gathered at the wall of cavity, flow to the lowest point of gas mixing pipeline, and minimum from this
Point position is discharged along the axis direction perpendicular to air flow conduit to the discharge ends that the direction away from inlet end extends, so that
Condensed water can be prevented effectively from booster is flow to by the exhaust port of air flow conduit, so that the pressure of impulse turbine booster
Mechanism of qi blade, the problem for causing compressor to fail.
Secondly as multiple air admission holes are evenly distributed on the tube wall of the air flow conduit and near gas mixing pipeline
Inlet end, and flowed at substantially perpendicular to each other position positioned at air flow conduit and waste gas.In this way, when waste gas flows into institute
When stating upstream end, waste gas is directly entered in the cavity of gas mixing pipeline, without entering into air flow conduit from air admission hole,
Air such that it is able to avoid air inlet port directly drives to exhaust port waste gas, to avoid air and not carry out screw
Waste gas directly mix, thereby may be ensured that air and waste gas are sufficiently mixed in the cavity of gas mixing pipeline.
Furthermore, because the circulation area of air flow conduit is configured to subtract successively to the steam vent from the air admission hole
It is small, flow velocity of the gaseous mixture at the steam vent can be made for maximum, so that the pressure of gaseous mixture outlet point is reduced, from
And the pressure difference of scheme for exhaust gas circulation system can be improved, to solve in the prior art because the deficiency of circulatory system pressure difference causes waste gas stream
Amount is unsatisfactory for the problem of engine demand.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Of the invention above-mentioned and other purposes, advantages and features.
Brief description of the drawings
Describe some specific embodiments of the invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the signal of the gas mixer for the engine exhaust circulatory system according to an embodiment of the invention
Property structure chart；
Fig. 2 is the signal of the gas mixer for the engine exhaust circulatory system according to an embodiment of the invention
Property sectional view；
Fig. 3 is the air of the gas mixer for the engine exhaust circulatory system according to an embodiment of the invention
The schematic cross sectional views of circulation duct；
Fig. 4 is a kind of engine exhaust circulatory system with gas mixer according to an embodiment of the invention.
Specific embodiment
The task of egr system is exactly that the recirculation volume for making waste gas reaches optimum in each operating point, so that
Combustion process is in optimal situation all the time, and the final succession ensured in emission is minimum.But, on the one hand, EGR systems
After the waste gas discharged of uniting enters engine aspirating system, the gas compressor blade of the condensation water slug booster for producing is mixed with air
Piece, so as to cause compressor to fail；On the other hand, the gas mixer of present technology is simply by waste gas and fresh sky
Gas mixes, i.e., discharge mixed gas in the case of waste gas with fresh air undercompounding, so as to influence engine and pressure
The stability of mechanism of qi work.Fig. 1 is the mixing arrangement for the engine exhaust circulatory system according to an embodiment of the invention
Schematic diagram, to ensure that waste gas mixes fully with fresh air, and further solve waste gas mix with air generation
Condense the problem that the compressor blade of water slug booster causes compressor to fail.
Illustrated with reference to Fig. 1, Fig. 2 and Fig. 4, the engine exhaust circulatory system 200 typically may include EGR valve 201, air
Air inlet pipeline 202 and booster 203, gas mixer 100 may include air flow conduit 1 in general manner, its may include into
Gas port and the exhaust port opposite with air inlet port, the air inlet port are connected with the air intake conduit 1, exhaust port
Compressor with the booster is connected, for receiving from the leaked-in air of the air intake conduit 1；And for receiving
The gas mixing pipeline 2 of the EGR valve waste gas is discharged by engine and is flowed through, the outside that it is set in air flow conduit 1 is simultaneously
It is fixedly connected with air flow conduit 1 in a welding manner, the gas mixing pipeline 2 can include an inlet end 21, by this
Inlet end is connected with EGR valve, and the inlet end 21 is configured to have an angle between gas mixing pipeline 2.Wherein, air stream
Threading a pipe 1 may include multiple air admission holes 11 and multiple steam vents 12, and the air inlet port and exhaust port are respectively from gas mixing
The two ends of pipeline are extended, and the air from air inlet port can be mixed from the inflow gas mixing duct 2 of air admission hole 11 and with gas
The waste gas closed in pipeline 2 is mixed, and the gas of mixing can be discharged from steam vent 12 and drain into compressor by exhaust port.
Because the inlet end 21 of gas mixing pipeline 2 is configured with gas mixing pipeline 2 according to angle described in,
So that there is a default angle between the axis direction of the flow direction of waste gas and air flow conduit 1, therefore, waste gas is from entering
Gas end 21 can be flowed into gas mixing pipeline 2 along the axis direction of air flow conduit formula of spinning, and with inflow
Air flow conduit 1 is simultaneously mixed by multiple air admission holes 11 into the air in gas mixing pipeline 2.In this way, due to waste gas
Moved along the axis direction formula of spinning of air flow conduit, therefore, it can so that the waste gas is filled with the air
Divide ground mixing.
Wherein, the default angle is acute angle.
Further, gas mixing pipeline 2 may include a discharge ends 22, the discharge ends 22 from gas mixing pipeline 2 most
Low dot location extends along the axis direction perpendicular to air flow conduit 1 to the direction away from inlet end 21.Due to waste gas edge
Air flow conduit 1 axis direction spin formula flowing and produce centrifugal action, the precipitation of condensed water can be accelerated,
Therefore, the condensation flow of the precipitation at the wall of gas mixing pipeline 2 to the lowest point of gas mixing pipeline 2 is gathered in,
And can extend to the direction away from inlet end along the axis direction perpendicular to air flow conduit 1 from the lowest point
Discharge ends 22 are discharged, and booster is flow to by the exhaust port of air flow conduit such that it is able to be prevented effectively from condensed water, so that
The compressor blade of impulse turbine booster, the problem for causing compressor to fail.
Wherein, direction A can be the airflow direction of air, and direction B can be the airflow direction of waste gas, and direction C can be
The airflow direction of gaseous mixture, direction D can be the discharge direction of condensed water.
In the embodiment of fig. 2, the multiple air admission hole 11 can be around in the arc-shaped point of the axis of air flow conduit 1
Cloth sets and can be close to the inlet end 21 of gas mixing pipeline 2, so that air is uniformly dispersed in gas mixing
Close in pipeline 2.Wherein, the opening direction of air admission hole 11 is arranged essentially parallel to the axis of the air flow conduit 1, additionally, entering
Stomata 11 be located at the position for flowing to substantially perpendicular to each other air flow conduit 1 of the waste gas at.In this way, working as waste gas stream
When entering the inlet end 21, waste gas is directly entered in the cavity of gas mixing pipeline, without entering into air from air admission hole 11
Circulation duct 1, such that it is able to avoid the air from air inlet port from directly driving to exhaust port waste gas, with avoid air with
The waste gas for not carrying out screw directly mixes, and thereby may be ensured that air and waste gas enter in the cavity of gas mixing pipeline 2
Row is sufficiently mixed.
In the fig. 3 embodiment, axis camber or circle point of the multiple steam vent 12 around air flow conduit 1
Cloth is set, and the axis of the opening direction substantially with air flow conduit 1 of the plurality of steam vent 12 is vertical, except part sky
Gas passes through multiple air admission holes 11 and enters outside gas mixing pipeline 2 from air inlet port, and most air is along air flow conduit 1
Into the compressor of booster, the circulation area of air flow conduit 1 is configured to from the air admission hole 11 to the steam vent
12 are sequentially reduced setting, can cause that flow velocity of the gaseous mixture at steam vent 12 is maximum.In this way, mixing can be reduced
The pressure of gas outlet point, such that it is able to improve the pressure difference of scheme for exhaust gas circulation system 200, to solve in the prior art due to the circulatory system
The deficiency of pressure difference causes exhaust gas flow to be unsatisfactory for the problem of engine demand.
Present invention also offers a kind of engine exhaust circulatory system 200 with the gas mixer, to solve
Waste gas mixes the compressor blade of the condensation water slug booster for producing with fresh air undercompounding and waste gas with air
The problem for causing compressor to fail.As shown in figure 4, engine can be collected by the gas mixer 100 and discharge institute
Condensed water is stated, waste gas and the air from the air inlet port is sufficiently mixed and the pressure at the steam vent 12 can be reduced.
The system 200 can include the air inlet port phase of the EGR valve 201 and air flow conduit 1 being connected with the inlet end 21
The booster 203 that the air intake conduit 202 of connection is connected with the exhaust port, wherein, booster 203 includes compressor,
Air flow conduit 1 is connected by exhaust port with compressor, and EGR valve 201 can control the waste gas of the mixing arrangement to enter
The unlatching of gas port 21, so as to mix and discharge the waste gas with the air from the air inlet port.
Booster 203 can utilize the gaseous mixture of exhaust port discharge to drive the turbine rotation in the booster 203
Turn, turbine drives coaxial impeller, the air that impeller force feed is sent by air filter pipeline to be allowed to supercharging and enter cylinder again.
When engine speed speeds, the velocity of discharge of waste gas and the rotating speed of turbine also synchronously speed, impeller can just compress more
Air enters cylinder, and the pressure and density of air increase more fuel that can burn, corresponding to increase fuel quantity and adjust
The rotating speed of engine, such that it is able to increase the power output of engine.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (10)
1. a kind of gas mixer for the engine exhaust circulatory system, the scheme for exhaust gas circulation system includes EGR valve, air
Air inlet pipeline and booster, the gas mixer include：
Air flow conduit, its one end is connected with the air intake conduit, the compressor phase of the other end and the booster
Connection, for receiving from the air intake conduit leaked-in air；
The gas mixing pipeline being connected with the EGR valve, its outside for being set in the air flow conduit, for receive by
Engine is discharged and flows through the waste gas of the EGR valve；
Wherein, the air flow conduit has multiple air admission holes and multiple steam vents, to enable the air from described
Air admission hole flows into the gas mixing pipeline so that the air is mixed with the waste gas to form gaseous mixture, and is caused
The gaseous mixture is expelled to the compressor from the steam vent；
Wherein, the gas mixing tube road has the inlet end being connected with the EGR valve, and the inlet end is mixed with the gas
There is an angle between conjunction pipeline, to cause between the flow direction of the waste gas and the axis direction of the air flow conduit in advance
If angle so that the gaseous mixture is spinned along the axis direction of the air flow conduit and moved.
2. gas mixer according to claim 1, wherein, the predetermined angle is acute angle.
3. gas mixer according to claim 2, wherein, the multiple air admission hole is around the air flow conduit
Axis distribution in the arc-shaped, with cause the air be uniformly dispersed in the gas mixing pipeline.
4. gas mixer according to claim 3, wherein, institute of the air admission hole near the gas mixing pipeline
Inlet end is stated, to cause that the air flows into the gas mixing pipeline from the air admission hole；
Wherein, the opening direction of the air admission hole is arranged essentially parallel to the axis of the air flow conduit.
5. the gas mixer according to any one of claim 2-4, wherein, the air flow conduit is located at and institute
State flowing to for waste gas and be provided with air admission hole at substantially perpendicular to each other position, to avoid the air and not carry out screw
Waste gas directly mixes.
6. the gas mixer according to any one of claim 2-5, wherein, the multiple steam vent is around the sky
Axis camber or circular distribution that air-flow is threaded a pipe, and the multiple steam vent opening direction substantially perpendicular to described
The axis of air flow conduit.
7. the gas mixer according to any one of claim 2-6, wherein, the circulating face of the air flow conduit
Product is sequentially reduced from the air admission hole to the steam vent, to cause flow velocity of the gaseous mixture at the steam vent as maximum
Value.
8. the gas mixer according to any one of claim 1-7, wherein, the gas mixing tube road has a row
Water end (W.E.), it is from the lowest point of the gas mixing pipeline along the axis direction perpendicular to the air flow conduit to remote
Extend from the direction of the inlet end, spinned along the axis direction of the air flow conduit for discharging the gaseous mixture
The condensed water separated out during motion.
9. gas mixer according to claim 8, wherein, the air flow conduit have air inlet port and with institute
State the opposite exhaust port of air inlet port；
Wherein, the air inlet port and the exhaust port are extended by the two ends of the gas mixing pipeline respectively.
10. gas mixer according to claim 9, wherein, the air flow conduit and the gas mixing tube
Road is fixedly connected by way of welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099890.XA CN106884746B (en) | 2017-02-23 | 2017-02-23 | A kind of gas mixer for the engine exhaust circulatory system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099890.XA CN106884746B (en) | 2017-02-23 | 2017-02-23 | A kind of gas mixer for the engine exhaust circulatory system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106884746A true CN106884746A (en) | 2017-06-23 |
| CN106884746B CN106884746B (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710099890.XA Expired - Fee Related CN106884746B (en) | 2017-02-23 | 2017-02-23 | A kind of gas mixer for the engine exhaust circulatory system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005816A (en) * | 2017-12-28 | 2018-05-08 | 潍柴动力股份有限公司 | A kind of engine exhaust-gas recirculating system |
| CN109798205A (en) * | 2019-04-11 | 2019-05-24 | 潍柴动力股份有限公司 | EGR mixer and engine with it |
| WO2019127098A1 (en) * | 2017-12-27 | 2019-07-04 | 潍柴动力股份有限公司 | Engine and mixed-gas intake device thereof |
| CN110410240A (en) * | 2018-04-27 | 2019-11-05 | 丰田自动车株式会社 | Internal combustion engine |
| FR3095478A1 (en) | 2019-04-25 | 2020-10-30 | Renault S.A.S | Device for mixing fresh air and recycled exhaust gases for an internal combustion engine |
| CN112160852A (en) * | 2020-10-09 | 2021-01-01 | 潍柴动力股份有限公司 | Air inlet mixing device and engine |
| CN114060184A (en) * | 2020-07-31 | 2022-02-18 | 比亚迪股份有限公司 | Water-gas mixing device and engine |
| CN114673611A (en) * | 2022-04-14 | 2022-06-28 | 中国第一汽车股份有限公司 | Exhaust gas recirculation mixing device, exhaust gas recirculation system and vehicle |
| CN115628160A (en) * | 2022-09-22 | 2023-01-20 | 重庆长安汽车股份有限公司 | Supercharged engine low pressure EGR mixed structure, engine and car |
| US11591991B1 (en) | 2021-08-27 | 2023-02-28 | Ford Global Technologies, Llc | Methods and systems for merging EGR with intake air |
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